An optimization method of ldpc decoding based on flash programming disturbance error perception
A programming interference and optimization method technology, applied in the direction of response to error generation, encoding, encoding components, etc., can solve the problem that the LDPC decoding algorithm does not provide judgment information, information transmission does not make full use of flash error mode characteristics, and does not consider numerical correlation Features and other issues
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[0046] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0047] The structural design drawing of the present invention is as Figure 4 As shown, when the decoder receives an LDPC codeword, each bit node V j The initial reliability information P i ,I k Can be obtained, based on the obtained initial reliability information of the bit node, the check node C connected to the bit node i (Look figure 1 with figure 2 ) reliability information can be c...
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